Update app.py

app.py

@@ -57,7 +57,8 @@ retriever = vectordb.as_retriever(
 )
 
 
-from transformers import huggingfacepipeline, pipeline
+from transformers import pipeline
+from langchain_community.llms.huggingface_pipeline import HuggingFacePipeline
 
 llm_model = "HuggingFaceH4/zephyr-7b-beta"
 pipe = pipeline(task="text-generation",llm_model = "models/HuggingFaceH4/zephyr-7b-beta",retriever = retriever)